beconfident后面加什么

be confident in sb/doing sth对某人充满信心/做某事。
be confident about dong sth/sth对某事/某事充满信心。

例句：

1、I'm quite confident that you'll get the job、

我肯定你能得到那份工作。

2、I'm confident that you will get the job、

我肯定你能得到那份工作。

3、Despite the recession the pany is confident of further expansion、

尽管经济衰退，公司对进一步扩展仍充满信心。

4、We are confident in our expectation of a full recovery、

我们满怀信心地期待着完全康复。

5、Buoyed by their win yesterday the team feel confident of further success、

在昨天胜利的鼓舞下，该队有信心再次获胜。